US doctor explains why colonoscopy preparation can feel worse than the procedure itself: ‘Not painful, but exhausting' | Health

US doctor explains why colonoscopy preparation can feel worse than the procedure itself: ‘Not painful, but exhausting'

ByDebapriya Bhattacharya
Updated on: Jan 06, 2026 05:48 PM IST

Dr Sood shares why colonoscopy prep can be an uncomfortable experience, but is absolutely necessary for the procedure to have the intended result. 

Colonoscopy is the examination of the insides of the large intestine (colon), which includes the colon, rectum, and anus. While the invasive procedure often worries people, those who actually undergo a colonoscopy often state that the preparation ahead is worse than the procedure itself.

A day before a colonoscopy, patients have to switch their diets to only intake clear liquids. (Pexel)
A day before a colonoscopy, patients have to switch their diets to only intake clear liquids. (Pexel)

Also Read | Neurologist shares 7 habits to improve focus and memory: From single task focus to tools for mental declutter

Taking to Instagram on January 6, Dr Kunal Sood, Maryland-based physician in Anesthesiology and Interventional Pain Medicine, explained that the claim actually holds merit.

Why colonoscopy prep is uncomfortable

“Colonoscopy prep is all about cleaning out the colon so doctors can see the lining clearly during the procedure,” stated Dr Sood.

Individuals about to undergo a colonoscopy need to stop eating solid food the day before the procedure and consume only clear liquids. Then they are provided with a strong laxative solution with the goal of flushing everything out.

“Over the next several hours, it causes frequent diarrhoea until the stool runs clear,” noted Dr Sood. “It's not painful, but it can be exhausting and uncomfortable with constant bathroom trips. It can also cause bloating, nausea, and sometimes chills.”

Why proper prep is essential before colonoscopy

According to Dr Sood, a clear colon makes the colonoscopy test safer and more accurate. It helps to prevent colorectal cancer and recognise problems at an early stage when they are most treatable.

“Colonoscopy prep clears the colon so doctors can detect even the smallest polyps or cancers. It means a day of clear liquids, strong laxatives, and frequent bathroom trips,” he observed. “It’s uncomfortable, but crucial for an accurate exam. The cleaner the colon, the better the results.”

“If the prep isn't done well, doctors can miss polyps or early cancers, and the procedure may even need to be repeated,” he cautioned.

However, the doctor noted that the procedure itself is “usually quick and well-tolerated.” It is often performed when the patient is under sedation, and most people feel fine afterwards.

Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.

This report is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them.

Catch every big hit, every wicket with Crick-it, a one stop destination for Live Scores, Match Stats, Quizzes, Polls & much more. Explore now!.

Catch your daily dose of Fashion, Taylor Swift, Health, Festivals, Travel, Relationship, Recipe and all the other Latest Lifestyle News on Hindustan Times Website and APPs.
Catch every big hit, every wicket with Crick-it, a one stop destination for Live Scores, Match Stats, Quizzes, Polls & much more. Explore now!.

Catch your daily dose of Fashion, Taylor Swift, Health, Festivals, Travel, Relationship, Recipe and all the other Latest Lifestyle News on Hindustan Times Website and APPs.
SHARE THIS ARTICLE ON
SHARE
close
Story Saved
Live Score
Saved Articles
Following
My Reads
Sign out
Get App
crown-icon
Subscribe Now!
.affilate-product { padding: 12px 10px; border-radius: 4px; box-shadow: 0 0 6px 0 rgba(64, 64, 64, 0.16); background-color: #fff; margin: 0px 0px 20px; } .affilate-product #affilate-img { width: 110px; height: 110px; position: relative; margin: 0 auto 10px auto; box-shadow: 0px 0px 0.2px 0.5px #00000017; border-radius: 6px; } #affilate-img img { max-width: 100%; max-height: 100%; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); } .affilate-heading { font-size: 16px; color: #000; font-family: "Lato",sans-serif; font-weight:700; margin-bottom: 15px; } .affilate-price { font-size: 24px; color: #424242; font-family: 'Lato', sans-serif; font-weight:900; } .affilate-price del { color: #757575; font-size: 14px; font-family: 'Lato', sans-serif; font-weight:400; margin-left: 10px; text-decoration: line-through; } .affilate-rating .discountBadge { font-size: 12px; border-radius: 4px; font-family: 'Lato', sans-serif; font-weight:400; color: #ffffff; background: #fcb72b; line-height: 15px; padding: 0px 4px; display: inline-flex; align-items: center; justify-content: center; min-width: 63px; height: 24px; text-align: center; margin-left: 10px; } .affilate-rating .discountBadge span { font-family: 'Lato', sans-serif; font-weight:900; margin-left: 5px; } .affilate-discount { display: flex; justify-content: space-between; align-items: end; margin-top: 10px } .affilate-rating { font-size: 13px; font-family: 'Lato', sans-serif; font-weight:400; color: black; display: flex; align-items: center; } #affilate-rating-box { width: 48px; height: 24px; color: white; line-height: 17px; text-align: center; border-radius: 2px; background-color: #508c46; white-space: nowrap; display: inline-flex; justify-content: center; align-items: center; gap: 4px; margin-right: 5px; } #affilate-rating-box img { height: 12.5px; width: auto; } #affilate-button{ display: flex; flex-direction: column; position: relative; } #affilate-button img { width: 58px; position: absolute; bottom: 42px; right: 0; } #affilate-button button { width: 101px; height: 32px; font-size: 14px; cursor: pointer; text-transform: uppercase; background: #00b1cd; text-align: center; color: #fff; border-radius: 4px; font-family: 'Lato',sans-serif; font-weight:900; padding: 0px 16px; display: inline-block; border: 0; } @media screen and (min-width:1200px) { .affilate-product #affilate-img { margin: 0px 20px 0px 0px; } .affilate-product { display: flex; position: relative; } .affilate-info { width: calc(100% - 130px); min-width: calc(100% - 130px); display: flex; flex-direction: column; justify-content: space-between; } .affilate-heading { margin-bottom: 8px; } .affilate-rating .discountBadge { position: absolute; left: 10px; top: 12px; margin: 0; } #affilate-button{ flex-direction: row; gap:20px; align-items: center; } #affilate-button img { width: 75px; position: relative; top: 4px; } }